NJ Natural Heritage Program, NJDEP Division of Parks and Forestry, Office of Natural Lands Management, 22 S. Clinton Ave, Plaza Bldg 4, Fl. 4, PO Box 404 Trenton, NJ, 08625-0404
GPS readings for other 3 plot corners: 1-SE) 41.00936, -74.80228; 2-SW) 41.00929, -74.80250; 3-NW) 41.00946, -74.80259
Shape
Square
Area
400
m²
Permanence
permanent plot
Layout Narrative
Plot is 20 x 20 m, located at 83-103 m on the south side of the transect. Transect endpoints are permanently marked with rebar. Distance and compass bearing measurements to the plot location with measurements of plot orientation off the transect were taken. GPS coordinates for each corner of the plot was taken with submeter accuracy.
Environment Fields:
Elevation
183.5
m
Slope Aspect
(n/a, flat)
º
Slope Gradient
0
º
Topographic Position
Basin floor
Landscape Narrative
Von Post scale of peat decomposition = H3.
Soil Texture: Organic - muck, peat
Overall Taxon Cover Values are Automatically Calculated?
no
Plot Quality Fields:
Plot Validation Level
(1) occurrence plot: sufficient for determining type occurrence
Overall Plot Vegetation Fields:
Dominant Stratum
Tree
Growthform1 Type
Trees
Growthform2 Type
Herbs
Growthform3 Type
Trees
Growthform1 Cover
60
%
Growthform2 Cover
87
%
Growthform3 Cover
20
%
Misc Fields:
Observation Narrative
Community Type: calcareous sinkhole pond
General Description: This maple - green ash swamp occurs in northern New Jersey and ranges north to the Champlain Valley of Vermont. In New Jersey, it occupies the lowest portion of calcareous sinkhole ponds and is characterized by deep organic deposits overlying marl or carbonate bedrock. This vegetation may also occur more widely in the northeast in areas underlain by calcareous bedrock. The tree canopy is fully closed to partially open and characterized by Acer saccharinum, Acer rubrum, Acer X freemanii (a hybrid of Acer saccharinum and Acer rubrum), and Fraxinus pennsylvanica. Other canopy associates may include Fraxinus nigra, Quercus bicolor, Ulmus Americana. The shrub layer is characterized by Ilex verticillata, Vaccinium corymbosum, and Cornus sericea. The herbaceous layer is characterized by Onoclea sensibilis, Carex crinita, Boehmeria cylindrica, Carex retrorsa, Carex lupulina, Lycopus americanus, Lycopus uniflorus, Thelypteris palustris, Solanum dulcamara, and others.
Other associated species present but not in plot: Spiraea alba, Viburnum recognitum.
Chickadees and possible crayfish holes are present.
